> Notice that the language specification *deliberately* does not > distinguish between deletion of earlier and later items, but > makes modification of the sequence undefined behavior to allow > alternative implementations. E.g. an implementation that would > crash, erase your hard disk, or set your house in flames if you > confront it with your code still might be a conforming Python > implementation.
Actually, PEP 4122 makes this a SetHouseInFlames error. Do you want to include this one? Just use _toaddafter= type( container )(). P.S. Equivalence class light, on the rocks. -- http://mail.python.org/mailman/listinfo/python-list